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| US1A - US1M 1.0 Amps. Surface Mount High Efficient Rectifiers SMA/DO-214AC Features Glass passivated junction chip For surface mounted application Low profile package Built-in strain relief Ideal for automated placement Easy pick and place Ultrafast recovery time for high efficiency Low forward voltage, low power loss High temperature soldering guaranteed: 260oC/10 seconds on terminals Plastic material used carries Underwriters Laboratory Classification 94V0 Mechanical Data Cases: Molded plastic Terminals: Solder plated, solderable per MIL-STD-750, Method 2026 Polarity: Indicated by cathode band Weight: 0.064 gram Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Rating at 25 oC ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% Type Number Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current @ TL=110 oC Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) Maximum Instantaneous Forward Voltage @ 1.0A Maximum DC Reverse Current @ TA =25 oC at Rated DC Blocking Voltage @ TA=125 oC Maximum Reverse Recovery Time ( Note 1 ) Typical Junction Capacitance ( Note 2 ) Maximum Thermal Resistance (Note 3) Symbol US1A US1B VRRM 50 100 VRMS 35 70 VDC 50 100 I(AV) IFSM VF IR Trr Cj US1D US1G US1J US1K US1M Units V V V A A 200 140 200 400 280 400 1.0 30 600 420 00 800 560 800 1000 700 1000 1.0 5.0 150 50 15 1.7 V uA uA nS pF o 75 10 75 RJA 27 RJL Operating Temperature Range TJ -55 to +150 Storage Temperature Range TSTG -55 to + 150 1. Reverse Recovery Test Conditions: IF=0.5A, IR=1.0A, IRR=0.25A Notes: 2. Measured at 1 MHz and Applied VR=4.0 Volts 3. P.C.B. Mounted on 0.2 x 0.2" (5.0 x 5.0mm) Copper Pad Area. C/W o o C C - 272 - Version: B07 RATINGS AND CHARACTERISTIC CURVES (US1A THRU US1M) FIG.1- MAXIMUM FORWARD CURRENT DERATING CURVE 1.2 50 FIG.2- MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT. (A) TL=90 0C 8.3ms Single Half Sine Wave JEDEC Method AVERAGE FORWARD CURRENT. (A) 1.0 RESISTIVE OR INDUCTIVE LOAD 40 30 0.5 20 P.C.B. MOUNTED ON 0.2 X 0.2" (5.0X5.0mm) COPPER PAD AREAS 0 0 20 40 60 80 100 120 o 10 0 140 160 180 1 10 NUMBER OF CYCLES AT 60Hz 100 LEAD TEMPERATURE. ( C) FIG.3- TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 10 INSTANTANEOUS FORWARD CURRENT. (A) FIG.4- TYPICAL REVERSE CHARACTERISTICS 100 US1A - US1G 1 INSTANTANEOUS REVERSE CURRENT. (mA) 10 Tj=100 0C US1J - US1M 0.1 1 Tj=25 0C 0.1 0.01 Pulse Width=300 s 1% Duty Cycle 0.001 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 0.01 0 20 40 60 80 100 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) FORWARD VOLTAGE. (V) FIG.5- TYPICAL JUNCTION CAPACITANCE Tj=25 0C f=1.0MHz Vsig=50mVp-p FIG.6- TYPICAL TRANSIENT THERMAL IMPEDANCE TRANSIENT THERMAL IMPEDANCE, ( OC/W) 100 100 100 JUNCTION CAPACITANCE.(pF) US1 A-U S1G 10 10 US1J - US1 M 1 1 0.1 1 10 REVERSE VOLTAGE. (V) 0.1 0.01 0.1 1 T, PULSE DURATION, sec. 10 100 FIG.7- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 50W NONINDUCTIVE 10W NONINDUCTIVE +0.5A (-) DUT (+) 50Vdc (approx) (-) PULSE GENERATOR (NOTE 2) 1W NON INDUCTIVE OSCILLOSCOPE (NOTE 1) (+) 0 -0.25A trr NOTES: 1. Rise Time=7ns max. Input Impedance= 1 megohm 22pf 2. Rise Time=10ns max. Sourse Impedance= 50 ohms -1.0A 1cm SET TIME BASE FOR 5/ 10ns/ cm Version: B07 |
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